document.write( "Question 370611: A heating system can increase the temperature of a classroom by 3 degrees Celsius per hour. If the class room temperature is 15 degrees Celsius when the timer starts the heating system during the night, which of the following equations provides a mathematical model for the temperature after t hours.\r
\n" ); document.write( "\n" ); document.write( "A.Temperature= 3t-15\r
\n" ); document.write( "\n" ); document.write( "B. Temperature= 3t+15\r
\n" ); document.write( "\n" ); document.write( "C. 3t/15\r
\n" ); document.write( "\n" ); document.write( "D. 3t times 15
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Algebra.Com's Answer #264212 by mananth(16946)\"\" \"About 
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B. Temperature= 3t+15
\n" ); document.write( "initial temerature 15
\n" ); document.write( "2 deg/hr
\n" ); document.write( "after t hours it will 3t
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